やったんじゃない

didn't do it

→ 遣る
phrase Rare #29,191
didn't do it A conversational contraction of やったのではない. Used to deny that someone did something or to say that it is not the case that they did it. Depending on context, んじゃない can also form a question meaning “didn't ...?”
JA: それは私がやったんじゃない。
EN: I didn't do that.

トム意図的にやったんじゃないと思うんだ

I don't think Tom did it intentionally.

私がやったんじゃない

I didn't do it.

— 動くな、死ね、甦れ! (1990)

わざとやったんじゃないんです

I didn't do it on purpose.

俺がやったんじゃない

I didn't do it.

— ブレードランナー 2049 (2017)